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the first ,second and the midddle term of an A.P. are a,b,c find the sum of all terms in the terms of a,b,c .

the first ,second and the midddle term of an A.P. are a,b,c find the sum of all terms in the terms of a,b,c .

Grade:11

1 Answers

HIMANKUR SHARMA
18 Points
7 years ago
b = a+d 
 
d= b – a

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